280294564

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{761}}^2$

素因数の和:1548

約数の個数: 27

約数和(自身を含む): 539871073

約数和(自身を除く): 259576509

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 761, 1522, 3044, 8371, 16742, 33484, 92081, 184162, 368324, 579121, 1158242, 2316484, 6370331, 12740662, 25481324, 70073641, 140147282, 280294564]

約数ペア:

[(1, 280294564), (2, 140147282), (4, 70073641), (11, 25481324), (22, 12740662), (44, 6370331), (121, 2316484), (242, 1158242), (484, 579121), (761, 368324), (1522, 184162), (3044, 92081), (8371, 33484)]